Microcontroller Unit (MCU)
A microcontroller contains a central processing unit (CPU), memory, and several peripherals all integrated on to a single chip of silicon. It is a highly integrated computer chip designed to pretty much stand on its own without the need for external support chips
A microcontroller excels at interfacing with the external world via sensors, switches, lights, transducers, relays, motors, etc. Whereas, microprocessors excel at processing massive amounts of data very quickly
Arduino is family of development kits based on 8-bit microcontrollers from Atmel. An 8-bit microcontroller is sufficient for fairly simple applications
@BasicElectronics
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